Author Topic: Bias supply from Voltage Doubler HT supply (Read 1874 times)

TIMBO · « **on:** December 22, 2023, 07:38:34 pm »

Hey guys, Is there a way to tap off a - bias supply from a standard voltage doubler HT supply

sluckey · « **Reply #1 on:** December 22, 2023, 07:43:00 pm »

Hey guys, Is there a way to tap off a - bias supply from a standard voltage doubler HT supply

Show us a schematic of your "standard voltage doubler HT supply".

TIMBO · « **Reply #2 on:** December 22, 2023, 08:07:10 pm »

Apologies sluckey, I got lazy and asked before I look into my own schematics.

jewishjay · « **Reply #3 on:** December 25, 2023, 09:29:08 am »

What's the function of the pair of .22u caps? Never seen that in in a bias circuit before. I always just see resistor > diode > voltage divider.

sluckey · « **Reply #4 on:** December 25, 2023, 10:06:12 am »

What's the function of the pair of .22u caps? Never seen that in in a bias circuit before. I always just see resistor > diode > voltage divider.

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Hoffman Amplifiers Tube Amplifier Forum » Amp Stuff » Tube Amp Building - Tweaks - Repairs » Bias supply from Voltage Doubler HT supply

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